The kernel packages contain the Linux kernel, the core of any Linux operating system.
This update fixes the following security issues:
It was found that the Xen hypervisor implementation did not perform range checking on the guest provided values in multiple hypercalls. A privileged guest user could use this flaw to trigger long loops, leading to a denial of service (Xen hypervisor hang). The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2012-5515 to this issue.
It was found that when running a 32-bit binary that uses a large number of shared libraries, one of the libraries would always be loaded at a predictable address in memory. An attacker could use this flaw to bypass the Address Space Layout Randomization (ASLR) security feature. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2012-1568 to this issue.
A flaw was found in the way the Linux kernel's IPv6 implementation handled overlapping, fragmented IPv6 packets. A remote attacker could potentially use this flaw to bypass protection mechanisms (such as a firewall or intrusion detection system (IDS)) when sending network packets to a target system. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2012-4444 to this issue.
More information about these vulnerabilities can be found in the security advisory issued by Red Hat:
| Product: | Affected Version(s): | Risk Level: | Actions: |
|---|---|---|---|
| Avaya Aura® Application Enablement Services | 5.2.x, 6.1 thru 6.3.2 | Low | For all 6.1.x and earlier deployments upgrade to 6.2 and install security patch 1, System Platform deployments may also upgrade to 6.3 or later. For all 6.2 deployments install security patch 1, System Platform deployments may also upgrade to 6.3 or later. For 6.3 thru 6.3.2 standalone and VMWare deployments upgrade to 6.3.3 or later. |
Avaya Aura® Application Server 5300:
|
2.x, 3.x | Low | For 2.x upgrade to 3.0 and install SP6 or later. For 3.0 install SP6 or later. |
| Avaya IQ | 5.0 thru 5.2.5 | Low | Upgrade to 5.2.6 and install Patch 2 or later. |
| Avaya Aura® Communication Manager | 5.2.x, 6.0.x, 6.2.x | Low | Upgrade to 6.3 or later. |
Avaya Communication Server 1000:
|
6.x, 7.x | Low | See recommended actions and mitigating factors table below. This advisory will not be addressed as no further releases are planned. |
| Avaya Aura® Conferencing | 7.0 including SP1 thru SP3 | Low | Upgrade to 7.0 SP4 or later. |
| Avaya Aura® Conferencing Standard Edition | 6.x | Low | See recommended actions and mitigating factors table below. This advisory will not be addressed as no further releases are planned. It is recommended that customers migrate to one of Avaya's conferencing solutions including Avaya Aura® Conferencing 7.0 or later. |
| Avaya IP Office Application Server | 8.x | Low | Upgrade to 9.0 or later. |
| Avaya Aura® Messaging | 6.0 thru 6.2.x | Low | Upgrade to 6.3 or later. |
| Avaya one-X® Client Enablement Services | 6.1.x | Low | Upgrade to 6.2 or later. |
| Avaya Aura® Presence Services | 6.x | Low | Upgrade to Aura Presence Services 7.0 or later. Further information about this version, as well as the overall Aura 7.0 release, is available on support.avaya.com. |
| Avaya Proactive Contact | 5.0, 5.1 | Low | Upgrade to 5.1.1 or later. |
| Avaya Aura® Session Manager | 1.x, 5.x, 6.0.x, 6.1.x, 6.2.x | Low | Upgrade to 6.3.2 or later. |
| Avaya Aura® SIP Enablement Services | 5.2.x | Low | See recommended actions below. This advisory will not be addressed as no further releases are planned. |
| Avaya Aura® System Manager | 5.x, 6.1.x, 6.2.x, 6.3 thru 6.3.3 | Low | Upgrade to 6.3.4 or later. |
| Avaya Aura® System Platform | 1.x, 6.0.x, 6.2.x, 6.3 | Low | Upgrade to 6.3 or later. |
| Avaya Aura® Communication Manager Utility Services | 6.0.x, 6.1.x, 6.2.x | Low | Upgrade to 6.3 or later. |
| Avaya Voice Portal | 5.x | Low | Upgrade to Experience Portal 7.0 and Avaya Enterprise Linux for Experience Portal 7.0 or later. |
| Avaya Meeting Exchange | 6.2 including SP1 | Low | Upgrade to 6.2 SP2 or later. |
Recommended Actions for System Products:
Avaya strongly recommends that customers follow
networking and security best practices by implementing
firewalls, ACLs, physical security or other appropriate
access restrictions. Though Avaya believes such
restrictions should always be in place, risk to Avaya
products and the surrounding network from this potential
vulnerability may be mitigated by ensuring these
practices are implemented until such time as an Avaya provided
product update or the recommended Avaya action is applied.
Further restrictions as deemed necessary based on the
customer's security policies may be required during this
interim period, but customers should not modify the System Product
operating system or application unless the change is approved by Avaya.
Making changes that are not approved may void the Avaya product service contract.
When determining risk, Avaya takes into account many factors as outlined by Avaya's Security Vulnerability Classification Policy. The following table describes factors that mitigate the risk of specific vulnerabilities for affected Avaya products:
| Vulnerability | Mitigating Factors |
|---|---|
|
CVE-2012-1568 |
This is a low risk as access to debugging tools would be required and such access is restricted to privileged users. |
|
CVE-2012-4444 |
This is a low risk as either the use of ipv6 is not supported or it is not enabled by default. |
|
CVE-2012-5515 |
There is no risk for Application Enablement Services when not installed on System Platform, AS5300, IQ, CS1000, Conferencing, IP Office Application Server, Proactive Contact, Session Manager, SIP Enablement Services and Voice Portal as the kernel-xen package is not installed. This is a low risk for Application Enablement Services on System Platform, Communication Manager, Conferencing Standard Edition, Meeting Exchange, Messaging, Presence Services, System Manager, System Platform and Utility Services as local access by a privileged user is required to exploit this vulnerability and no additional capabilities would be gained. |
Avaya software-only products operate on general-purpose operating systems. Occasionally vulnerabilities may be discovered in the underlying operating system or applications that come with the operating system. These vulnerabilities often do not impact the software-only product directly but may threaten the integrity of the underlying platform.
In the case of this advisory Avaya software-only products are not affected by the vulnerability directly but the underlying Linux platform may be. Customers should determine on which Linux operating system the product was installed and then follow that vendor's guidance.
| Product: | Actions: |
|---|---|
| Avaya Aura® Application Enablement Services 4.x/5.x | Depending on the Operating System provided by customers, the affected package may be installed on the underlying Operating System supporting the AES application. |
| CVLAN | Depending on the Operating System provided by customers, the affected package may be installed on the underlying Operating System supporting the CVLAN application. |
| Avaya Aura® Experience Portal | Depending on the Operating System provided by customers, the affected package may be installed on the underlying Operating System supporting the EP application. |
| Avaya Integrated Management Suite (IMS) | Depending on the Operating System provided by customers, the affected package may be installed on the underlying Operating System supporting the IMS application. |
| Avaya Aura® Presence Services | Depending on the Operating System provided by customers, the affected package may be installed on the underlying Operating System supporting the PS application. |
| Avaya Secure Access Link Gateway | Depending on the Operating System provided by customers, the affected package may be installed on the underlying Operating System supporting the SAL Gateway application. |
| Avaya Aura® System Manager 1.0 | Depending on the Operating System provided by customers, the affected package may be installed on the underlying Operating System supporting the SMGR application. |
| Avaya Voice Portal | Depending on the Operating System provided by customers, the affected package may be installed on the underlying Operating System supporting the VP application. |
Recommended Actions for Software-Only Products:
In the event that the affected package is installed, Avaya recommends that customers follow recommended actions supplied by Red Hat regarding their Enterprise Linux.
Additional information may also be available via the Avaya support website and through your Avaya account representative. Please contact your Avaya product support representative, or dial 1-800-242-2121, with any questions.
ALL INFORMATION IS BELIEVED TO BE CORRECT AT THE TIME OF PUBLICATION AND IS PROVIDED "AS IS". AVAYA INC., ON BEHALF ITSELF AND ITS SUBSIDIARIES AND AFFILIATES (HEREINAFTER COLLECTIVELY REFERRED TO AS "AVAYA"), DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND FURTHERMORE, AVAYA MAKES NO REPRESENTATIONS OR WARRANTIES THAT THE STEPS RECOMMENDED WILL ELIMINATE SECURITY OR VIRUS THREATS TO CUSTOMERS' SYSTEMS. IN NO EVENT SHALL AVAYA BE LIABLE FOR ANY DAMAGES WHATSOEVER ARISING OUT OF OR IN CONNECTION WITH THE INFORMATION OR RECOMMENDED ACTIONS PROVIDED HEREIN, INCLUDING DIRECT, INDIRECT, INCIDENTAL, STATUTORY, CONSEQUENTIAL DAMAGES, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF AVAYA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
THE INFORMATION PROVIDED HERE DOES NOT AFFECT THE SUPPORT AGREEMENTS IN PLACE FOR AVAYA PRODUCTS. SUPPORT FOR AVAYA PRODUCTS CONTINUES TO BE EXECUTED AS PER EXISTING AGREEMENTS WITH AVAYA.
V 1.0 - April 4, 2013 - Initial Statement issued.
V 2.0 - April 10, 2013 - No changes, republish only.
V 3.0 - May 30, 2013 - Updated CM, CS1000, one-X CES, SM and CMUS affected versions and actions.
V 4.0 - October 25, 2013 - Updated AES, AS5300, Conferencing SE and IPOAS actions, and SMGR and SP affected versions and actions.
V 5.0 - January 13, 2014 - Updated Conferencing affected versions and actions, and VP actions.
V 6.0 - March 24, 214 - Updated Messaging affected versions and actions.
V 7.0 - June 4, 2014 - Updated AES affected versions and actions.
V 8.0 - June 6, 2014 - Updated PC affected versions and actions.
V 9.0 - March 11, 2015 - Updated MX affected versions and actions.
V 10.0 - September 10, 2015 - Updated IQ and PS affected versions and actions and set advisory status to Final.
Send information regarding any discovered security problems with Avaya products to either the contact noted in the product's documentation or [email protected].
Linux® is the registered trademark of Linus Torvalds in the U.S. and other countries.
© 2013 Avaya Inc. All Rights Reserved. All trademarks identifying Avaya products by the ® or ™ are registered trademarks or trademarks, respectively, of Avaya Inc. All other trademarks are the property of their respective owners.